Finding the Fourth Proportional to 632,709.80, 873,139.36 and 346,229.80
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Solution
The fourth proportional to 632,709.80, 873,139.36 and 346,229.80 is: 477,797.03
Step by Step Solution
- Step 1: Write the proportion equation
632,709.80 : 873,139.36 = 346,229.80 : x - Step 2: Convert to fraction form
632,709.80/873,139.36 = 346,229.80/x - Step 3: Cross multiply
632,709.80x = 873,139.36 × 346,229.80 - Step 4: Simplify right side
632,709.80x = 302,306,865,984.93 - Step 5: Solve for x
x = 302,306,865,984.93/632,709.80 - Step 6: Final answer
x = 477,797.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.